Home / 2,913,991.58-4,021,357.92-1,607,393.54

Finding the Fourth Proportional to 2,913,991.58, 4,021,357.92 and 1,607,393.54

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Solution

The fourth proportional to 2,913,991.58, 4,021,357.92 and 1,607,393.54 is: 2,218,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,991.58 : 4,021,357.92 = 1,607,393.54 : x
  2. Step 2: Convert to fraction form
    2,913,991.58/4,021,357.92 = 1,607,393.54/x
  3. Step 3: Cross multiply
    2,913,991.58x = 4,021,357.92 × 1,607,393.54
  4. Step 4: Simplify right side
    2,913,991.58x = 6,463,904,742,635.84
  5. Step 5: Solve for x
    x = 6,463,904,742,635.84/2,913,991.58
  6. Step 6: Final answer
    x = 2,218,230.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.